linux-kernel - Re: [PATCH] optoe: driver to read/write SFP/QSFP EEPROMs

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Message-ID: <37dfd504-5921-54f2-b90e-a26595fc0a5e@infradead.org>
Date:   Sun, 10 Jun 2018 21:56:00 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Don Bollinger <don@...bollingers.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Cc:     brandon_chuang@...e-core.com, wally_wang@...ton.com,
        roy_lee@...e-core.com, rick_burchett@...e-core.com,
        quentin.chang@...ntatw.com, jeffrey.townsend@...switch.com,
        scotte@...ulusnetworks.com, roopa@...ulusnetworks.com,
        David Ahern <dsa@...ulusnetworks.com>,
        luke.williams@...onical.com, Guohan Lu <gulv@...rosoft.com>,
        Xin Liu <xinxliu@...rosoft.com>, steve.joiner@...isar.com
Subject: Re: [PATCH] optoe: driver to read/write SFP/QSFP EEPROMs

Hi,

On 06/10/2018 09:25 PM, Don Bollinger wrote:
> diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig
> index 68a1ac929917..9a08e12756ee 100644
> --- a/drivers/misc/eeprom/Kconfig
> +++ b/drivers/misc/eeprom/Kconfig
> @@ -111,4 +111,22 @@ config EEPROM_IDT_89HPESX
>  	  This driver can also be built as a module. If so, the module
>  	  will be called idt_89hpesx.
>  
> +config EEPROM_OPTOE
> +	tristate "read/write access to SFP* & QSFP* EEPROMs"
> +	depends on I2C && SYSFS
> +	help
> +	  If you say yes here you get support for read and write access to
> +	  the EEPROM of SFP and QSFP type optical and copper transceivers.
> +	  Includes all devices which conform to the sff-8436 and sff-8472

	  This includes
and then please s/sff/SFF/ (2 places).

> +	  spec including SFP, SFP+, SFP28, SFP-DWDM, QSFP, QSFP+, QSFP28
> +	  or later.  These devices are usually found in network switches.
> +
> +	  This driver only manages read/write access to the EEPROM, all
> +	  other features should be accessed via i2c-dev.
> +
> +	  This driver can also be built as a module. If so, the module
> +	  will be called optoe.
> +
> +	  If unsure, say N.
> +
>  endmenu

thanks,
-- 
~Randy